The Card Holder is designed to make it easy to access and retrieve your cards with its unique pull tab design. It can hold up to 5 cards and some cash with the slot at the back. Made from waterproof fabric, the compact and durable wallet easily fits in your pocket, handbag, purse or backpack. Pull Tab Design You can simply pull up the tab and easily access your cards. Magnetic Closure Adopts embedded magnetic snap that secures your cards when not in use. High-quality FabricMade from waterproof and durable oxford fabric. Various Color Gradient bright colors bring you stylish and comfortable experience. Specifications Name Card Wallet Model DAX Material Fabric Gender Unisex Product Weight 60g Package Size 7L x 5W x 3H cm Package Contents 1 x Card Wallet
Discover the properties and real-world applications of the Fibonacci and the Catalan numbers With clear explanations and easy-to-follow examples, Fibonacci and Catalan Numbers: An Introduction offers a fascinating overview of these topics that is accessible to a broad range of readers. Beginning with a historical development of each topic, the book guides readers through the essential properties of the Fibonacci numbers, offering many introductory-level examples. The author explains the relationship of the Fibonacci numbers to compositions and palindromes, tilings, graph theory, and the Lucas numbers. The book proceeds to explore the Catalan numbers, with the author drawing from their history to provide a solid foundation of the underlying properties. The relationship of the Catalan numbers to various concepts is then presented in examples dealing with partial orders, total orders, topological sorting, graph theory, rooted-ordered binary trees, pattern avoidance, and the Narayana numbers. The book features various aids and insights that allow readers to develop a complete understanding of the presented topics, including: Real-world examples that demonstrate the application of the Fibonacci and the Catalan numbers to such fields as sports, botany, chemistry, physics, and computer science More than 300 exercises that enable readers to explore many of the presented examples in greater depth Illustrations that clarify and simplify the concepts Fibonacci and Catalan Numbers is an excellent book for courses on discrete mathematics, combinatorics, and number theory, especially at the undergraduate level. Undergraduates will find the book to be an excellent source for independent study, as well as a source of topics for research. Further, a great deal of the material can also be used for enrichment in high school courses.
LP 1:Tracks 1 - 6LP 2:Tracks 7 - 11
Learn the Chinese numbers from 1 to 100 with this amusing and innovative game.Play at home or in class with useful and interesting cards, designed to help you memorise the numbers.A comprehensive Instruction Booklet complete with suggestions for exercises, games and activities, and interesting facts about numbers, makes Playing with Numbers an essential part of the Chinese lesson.• 2 packs of 50 cards• 36 individual cards• Instruction Booklet.Instruction Booklet available in:EnglishFrancaisDeutschEspanolItaliano
Children will love learning numbers and counting as they find the stickers and complete the puzzles in this early learning activity book. The 100 photographic stickers inside are reusable so that pre-schoolers can enjoy play-and-learn number fun, time and time again!